YI

Yasutaka Imai

SE Seiko Epson: 16 patents #1,167 of 7,774Top 20%
Overall (All Time): #288,473 of 4,157,543Top 7%
16
Patents All Time

Issued Patents All Time

Showing 1–16 of 16 patents

Patent #TitleCo-InventorsDate
11947249 Light emitting apparatus, method for manufacturing light emitting apparatus, and projector Takafumi Noda, Hideki Hahiro, Tetsuji Fujita, Atsushi Ito, Koichiro Akasaka +1 more 2024-04-02
11177316 Method of manufacturing light emitting device, light emitting device, and projector Tetsuji Fujita, Koichiro Akasaka, Hideki Hahiro, Michifumi Nagawa 2021-11-16
11061311 Light emitter and projector 2021-07-13
11063171 Light emitting device, method of manufacturing light emitting device, and projector Tetsuji Fujita, Koichiro Akasaka, Hideki Hahiro 2021-07-13
10942432 Light emitting apparatus and projector 2021-03-09
10224943 Atomic oscillator 2019-03-05
9231377 Vertical cavity surface emitting laser and atomic oscillator 2016-01-05
8629461 Light receiving and emitting device 2014-01-14
8344393 Light receiving and emitting device 2013-01-01
8304786 Light emission device, light emission device driving method, and projector 2012-11-06
8139618 Light emission device, light emission device driving method, and projector 2012-03-20
7704758 Optical device and its manufacturing method, and optical device wafer 2010-04-27
7643531 Optical semiconductor element including photodetecting element with comb-tooth structure Tsuyoshi Kaneko, Atsushi Sato 2010-01-05
7482177 Method for manufacturing optical device, and optical device wafer 2009-01-27
7453915 Optical semiconductor element and method for manufacturing the same 2008-11-18
7339971 Optical element and optical module Masamitsu MOCHIZUKI 2008-03-04